code: def unstack(x, num=None, axis=0):
      x = np.moveaxis(x, axis, 0)
      return [x[i] for i in range(x.shape[0])]
  
imports: import numpy
  import tree
  from keras.backend.common import KerasVariable
  from keras.backend.common import standardize_dtype
  from keras.backend.common.dtypes import result_type
  from keras.backend.common.keras_tensor import KerasTensor
  from keras.backend.common.stateless_scope import StatelessScope
  from keras.utils.nest import pack_sequence_as
label_desc: Use image node_id 16 for calling a global function with example usage: unstack(x, num, axis) and returns: unknown